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Gilbert

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45
Why does my beveled mirror make triplicate "ghosts"?
physics.stackexchange.com

42
Super Fast Message
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30
Are there classical physics phenomena that remain unexplained?
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30
If you were invisible, would you also be cold?
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27
Why does the wave velocity of EM signals in a wire depend on the insulator's permittivity?
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25
Why is the potential energy of a spring the same when it is compressed and stretched?
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24
How can you measure the zero resistance in a superconductor?
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24
What's the physics behind XKCD #2027 (time between lightning flash and radio wave burst)?
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22
Reversed First Joule's Law : heating a resistor produce voltage?
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21
Why Is an Inhomogenous Magnetic Field Used in the Stern Gerlach Experiment?
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20
What is Chirped Pulse Amplification, and why is it important enough to warrant a Nobel Prize?
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19
Why aren't all dielectrics transparent?
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17
What is the difference between a transparent material and an opaque one at the atomic level?
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17
Is the specular reflection on a polished gold sphere white or gold in colour?
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15
What is meant by 2D fourier transform of an image?
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15
Does Pythagoras theorem hold for length contraction according to Special relativity?
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14
What good is my paper if the code is not open source?
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14
How is silver a better conductor than platinum?
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14
Speed of electrons in a current-carrying metallic wire: does it even make sense?
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14
Number of bands in 1D tight-binding model
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14
Is there a frame of reference in which I was born before I was conceived?
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13
What is the liftoff problem in wires in integrated circuit (IC) industry?
electronics.stackexchange.com

12
I've never been an olympiad-winning excellent student; is there a chance for me in academia?
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11
Will a planet rotate if it is the only being in the universe?
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11
Crystals and Earnshaw's theorem
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11
Why did I measure the magnetic field to vary exponentially with distance?
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10
What is the source for Osmium's colour?
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10
Did LIGO measurements prove that the speed of gravity equals the speed of light?
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10
Why do metals have high optical reflectivity?
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8
What should I do about slight human errors in my data?
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